1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sever21 [200]
3 years ago
14

Why is glass useful for making eyeglasses?

Mathematics
2 answers:
MA_775_DIABLO [31]3 years ago
6 0
Glass lenses have less impurities in the material compared to plastic lenses, and so they are optically clearer and easier to see through. ... Also, because glass is a much harder material than plastic, glass lenses do not scratch as easily as plastic lenses, even if they have scratch resistant coating.
german3 years ago
5 0

Answer:

Because it can be shaped to make things magnified

You might be interested in
On Friday a local hamburger shop sold a combined total of 520 hamburgers and cheeseburgers. The number of
malfutka [58]
The answer is 173 because you must divide 520 by 3 and you will get 173.
3 0
3 years ago
The total bill for repairing Mark’s TV was $211. The repair shop charges $25 an hour for labor plus $16 for parts. How many hour
Lunna [17]
Let x be the number of hours of labor required. The equation would be:
25x + 16 = 211.
Answer = x = (211-16)/25 = 7.8hours
3 0
3 years ago
Which of the following points is a solution to the system of inequalities?
MrRa [10]

Answer:

See attached picture.

Step-by-step explanation:

If you graph the system, you will find a region of solutions which are shaded. The point must be within the darkest shaded portion where each equation overlaps. This means it is a solution to both. Choose a point form your list in this region.

See attached picture.

4 0
3 years ago
Based on what you see here, what is the domain of this function?*
Alik [6]

Answer:

Domain seems to be all real numbers.

Step-by-step explanation:

3 0
2 years ago
Question #1 What is the sum?​
sweet-ann [11.9K]

Answer:

\frac{7}{a + 8}+\frac{7}{a^2-64} = \frac{14}{a^2+a-56}

Step-by-step explanation:

Sum means finding the total of something. We can do this by using addition.

\frac{7}{a + 8}+\frac{7}{a^2-64}

In this problem, we will add the numerators and the denominators.

\frac{(7+7)}{(a+8)+(a^2-64)}

\frac{14}{a^2+a-56}

So, your answer is letter choice B.

5 0
3 years ago
Other questions:
  • Bobbi skated 3\8 mile in the morning and then skated 1 3\8 miles in the afternoon.
    8·1 answer
  • The center of a circle is located at (−2, 7) . The radius of the circle is 2.
    12·1 answer
  • the cylinder is shown has a diameter of 11 inches. Find the volume of the cylinder. Round your solution to the nearest tenth.
    6·1 answer
  • Order the following numbers from least to greatest
    11·1 answer
  • I need help with this:<br><br> The volume of a cube is 729 cubic units. What expression makes 729?
    13·1 answer
  • Thank you so much, my friend
    11·1 answer
  • When x is 4, y is 12. If y varies directly as x, which equation relates x and y?
    12·1 answer
  • Rosie is investigating factor pairs.
    10·1 answer
  • Question 3
    10·1 answer
  • Consider the polar curve r = 4sin(2θ). What is the length of each petal, and how many petals does the graph have? a The length o
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!